# -*- coding: utf-8 -*-
"""
Created on Tue Apr 23 10:43:52 2024

@author: 29865
"""

import matplotlib.pyplot as plt

fig = plt.figure()              # 创建画布

ax1 = fig.add_subplot(331)      # 创建子图1
ax2 = fig.add_subplot(332)      # 创建子图2
ax3 = fig.add_subplot(339)      # 创建子图3